Rob released the pics of Kim, 36, her husband Kanye West, 39, and their two kids, Saint, 11 months, and North, 3, on his sister's website.

"Now you know Kim loves Halloween," Rob wrote. "She couldn’t disappoint North once she found a Princess Jasmine costume from back in the day." Nori also dressed as the princess, while Saint took on the role of Aladdin.